Now it is not intended to deny here that some amount of central planning of this kind will always be necessary. There are unquestionably fields, like the fight against contagious diseases, where the price mechanism is not applicable, either because some services cannot be priced, or because a clear object desired by an overwhelming majority can only be achieved if a small dissenting minority is coerced.
Socialism and War: Essays, Documents, Reviews
By F. A. Hayek